WinSock DNSy

#define _WINSOCK_DEPRECATED_NO_WARNINGS

#include <stdio.h>
#include <conio.h>
#include <vector>
#include <winsock2.h>
using namespace std;
#pragma comment (lib, "Ws2_32.lib")

int main() {
    WSADATA wsaData;

    int iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);

    if (iResult != NO_ERROR)
        printf("Error at WSAStartup().\n");
    else
        printf("WSAStartup() is OK.\n");

    hostent* remoteHost;
    char* ip;
    char* host_name;
    unsigned int addr;

    printf("Input name/IP of host: ");
    host_name = (char*)malloc(sizeof(char*) * 128);
    fgets(host_name, 128, stdin);

    if (isalpha(host_name[0])) {
        printf("\nUsing gethostbyname()...\n");

        host_name[strlen(host_name) - 1] = '\0';
        remoteHost = gethostbyname(host_name);

        vector<string> tab;
        int i = 0;
        while (remoteHost->h_addr_list[i]) {               //podsumowując:
            if (remoteHost->h_addrtype == AF_INET) {             //char* w wektorze, push_back i fgets/gets
                tab.push_back(  string(inet_ntoa(*((in_addr*)remoteHost->h_addr_list[i])))  );
                i++;
            }
        }
        //ip = inet_ntoa(*(struct in_addr *)*remoteHost->h_addr_list);

        //printf("IP address is: %s.\n", ip);
        //printf("Address type: %i.\n\n", remoteHost->h_addrtype);

        for (int a = 0; a < tab.size(); a++) {
            printf("IP address is: %s\n", tab[a].c_str());
            //printf("Address type: %i.\n\n", remoteHost->h_addrtype[a]);
        }
    }
    else {
        printf("\nUsing gethostbyaddr()...\n");

        addr = inet_addr(host_name);
        remoteHost = gethostbyaddr((char *)&addr, 4, AF_INET);

        printf("Hostname is: %s.\n", remoteHost->h_name);
        printf("Address type: %i.\n\n", remoteHost->h_addrtype);
    }

    if (WSAGetLastError() != 0) {
        if (WSAGetLastError() == 11001)
            printf("Host not found...\nExiting.\n");
    }
    else
        printf("error #: %ld\n", WSAGetLastError());

    _getch();
    WSACleanup();
    return 0;
}